Watch band



FIG. 1 is a top plan view of my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image thereof; and,

FIG. 4 is an end view thereof, the opposite end view being a mirror image thereof. 

I claim the ornamental design for a watch band, as shown and described. 